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I am about to upgrade hard drives and I was attempting to back up data to an SD card that I had used before flawlessly. The disks app said that it was read only, and when I put in a cat picture to test that, it didn't go in. I am a relatively new Linux user, so I do not know how to change the permissions. Can you help? I am using Ubuntu 14.10.

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  • Follow the link: askubuntu.com/questions/58914/…
    – Muzaffar
    Commented Dec 30, 2014 at 15:40
  • You didn't format the card in Ubuntu did you? Open a terminal and run dmesg and look for any error messages relating to the filesystem being remounted read-only and add them to your question.
    – psusi
    Commented Dec 30, 2014 at 15:42

1 Answer 1

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This may sound stupid, but is the card locked? There should be a little gray switch on the side of the card. This caused me many headaches myself.

This is what a lock looks like, and where to find it: SD Card

Sorry for the poor image, this was my camera SD card, and therefore the only one I had. (I had to use my webcam).

As you can see, the lock is in the unlocked position.

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  • Wow... That was it. I feel so stupid. Sorry for wasting your time. Commented Dec 30, 2014 at 23:50
  • No problem. I was running Homebrew on my wii and was about to smash the thing against the wall when I found this, don't feel stupid. Not many people know about it, and nobody checks to see because it's so small. Once, my switch broke off. Commented Dec 31, 2014 at 19:44

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